if -2/3 is a zero of the quadratic polynomial kx2+x-k then the value of k is
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answer:
Step-by-step explanation:
given x= -2/3
k(-2/3*-2/3)-2/3-k=0
( 4/9 )k-k=2/3
4k-5k/9=2/3
-5k/9=2/3
k = -(2/3*9/5)
k = -6/5
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